president morsi power grab. alex was on the scene today in cairo. >>reporter: birth place of egypt revolution. today once again rippinging with calls to the did you know fall of a dictator. this time it's for this man. president mohammad morsi whom america rae lies on to be a regional peace broker but last week he granted himself unchecked power. him if leaving to bloody clashes. the crowd is planting leave. these are the seam chant 2 years ago during the refuse lugs except that they have substituted mubarak for morsi. the egyptian topple president mubarak. dictator who ruled for 3 decade. they then held a historic election. voted in the new president. now fichlt he's like a super power. >>reporter: the office says the move is just temporary. side lined remnant of the era app put he script on the right track. it's far from within who will win the show did you know but certainly more bloody days ahead on egypt bumpy road to democracy. this is cairo. >> president obama today signed a law that requires u.s. airline to be secluded from fe fees for european carbon emission.